The view from the top of O’Hare Airport’s newest control tower is breathtaking, offering a 360-degree panorama of the airport and its operations. But the city of Chicago also wants to show off the first floor, where a geo-thermal plant optimizes the tower’s heating and cooling systems, helping to save an estimated $20,000 a year in utilities.

Justin Bieber, Ariana Grande and Leonardo DiCaprio have joined rapper-comedian Lil Dicky on a new song and video aimed at bringing awareness to climate change and Earth Day, which is Monday. Dicky released the animated clip for the song “Earth” on Friday, where Bieber is a baboon and Grande is a zebra. The video, featuring 32 artists, also stars Ed...

Earth, meet Polo. Polo Ralph Lauren on Thursday launched a version of its iconic polo shirt made entirely of recycled plastic bottles and dyed through a process that uses zero water. David Lauren, the youngest son of the company’s founder and its chief innovation officer, told The Associated Press ahead of the announcement that the new shirt is part of...

When was the last time you ate everything off your dinner plate? For Earth Day this year, take a closer look at what you eat – and what you have left over – to help preserve the environment. Each year, humans waste about one third of the food produced for consumption, or 1.3 billion tons, according to the United Nations...

A motorcycle, a bass guitar and speakers are among 170 artifacts from the 1969 Woodstock festival showcased in a new museum exhibit opening this weekend at the site of the festival in upstate New York.

A motorcycle, a bass guitar and speakers are among 170 artifacts from the 1969 Woodstock festival showcased in a new museum exhibit opening this weekend at the site of the festival in upstate New York.

Christine Todd Whitman was at the first Earth Day 48 years ago, long before she became governor of New Jersey and head of the Environmental Protection Agency. Her generation was inspired by “Silent Spring,” a book about the dangers of the pesticide DDT, she said. Soon after that day in 1970, DDT was banned — one of many green-friendly policy...

Global warming is screwing up nature’s intricately timed dinner hour, often making hungry critters and those on the menu show up at much different times, a new study shows. Timing is everything in nature. Bees have to be around and flowers have to bloom at the same time for pollination to work, and hawks need to migrate at the same...